Our newest EFD-445-PH and EFD-635-PH drainable blade penthouses are ideally suited for intake and exhaust applications and feature efficiant drainable blades to lower the risk of water penetrating the openings.
Pottorff Penthouse LineFeaturing a modulating Belimo actuator and A CO2 room sensor, this product measures the carbon dioxide levels and sends a signal to the damper to open at desired set-points, allowing fresh air intake.
CD-25R-CO2 Catalog SheetThis option not only gives our louvers a more enhanced appearance but the cover helps maintain appropriate louver spacing and reduces labor when caulking and sealing in multiple sections.
Streamline installation with the new option to order our FD-125R Round Fire Damper at a 6" diameter. This lets the damper be connected to a small 6" diameter duct without the need for a square to round connection.
FD-125R Catalog SheetPottorff now offers a section width increase for our ECD-545-MD 5" Miami-Dade approved louver. The maximum section width is now 72" rather than 60". Not only does it offer a more pleasing appearance but this larger size reduces the time and cost of installation.
ECD-545-MD Catalog Sheet© Copyright 2026 Pottorff